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J. Compos. Sci.
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Particulate Aluminum Matrix Composites: From Fundamentals to Applications, Volume II
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Particulate Aluminum Matrix Composites: From Fundamentals to Applications, Volume II

A special issue of Journal of Composites Science (ISSN 2504-477X). This special issue belongs to the section "Metal Composites".

Deadline for manuscript submissions: closed (30 September 2022) | Viewed by 12214

Special Issue Editors

Prof. Dr. Hongseok Choi

E-Mail Website1 Website2
Guest Editor
School of Mechanical and Automotive Engineering, Clemson University, Clemson, SC 29631, USA
Interests: scalable nanomanufacturing; advanced material processing; micro- and nanosensors; nanocomposites; nanofibers
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Oscar Marcelo Suárez

E-Mail Website1 Website2
Guest Editor
Department of Engineering Science and Materials, University of Puerto Rico-Mayagüez, P. O. Box 9000, Mayagüez, PR 00681, USA
Interests: aluminum matrix composites; sustainable concrete; materials recycling; aluminum alloys; biopolymeric matrix composites; resilient infrastructure; materials education
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Among composite materials, particulate aluminum matrix composites (PAMC) stand out not only for their high strength-to-low density ratio but also for their versatility and multifunctionality that widened the range of their applications. The possibility of incorporating ceramic particles such as oxides, carbides, or nitrides enhances the various properties of these composites. By the turn of this century, new technologies became more affordable and versatile, allowing aluminum matrix composite parts with micro- to nanosized particles to be fabricated in large volumes for various applications. Due to the fast development of such technologies and the stochastic nature of most PAMC parts manufacturing, more advanced modeling and simulating processes are needed to respond to increasing demands for more reliable materials with highly predictable properties.

This Special Issue seeks to collect an assortment of investigations related to the processing of PAMC, the effect of the reinforcement/matrix interfaces on the mechanical properties, and novel applications of these materials. Manuscripts on characterization of these materials are welcome in the Special Issue. Numerical modeling and computational simulation as well as experimental evaluation of these composites are also welcomed in submitted manuscripts. Researchers working on novel approaches that stimulate groundbreaking applications of these versatile materials are particularly encouraged to submit.

Prof. Dr. Hongseok Choi
Prof. Dr. Oscar Marcelo Suárez
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Composites Science is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • aluminum matrix composites
  • nanoparticle reinforcements
  • functionally graded composites
  • in situ reinforcement synthesis
  • powder metallurgy
  • wear-resistant composites
  • reinforcement wettability
  • reinforcement reactivity
  • nanomechanical properties

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Published Papers (6 papers)

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Research

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13 pages, 5291 KiB  
Article
Multi-Objective Optimization of Novel Aluminum Welding Fillers Reinforced with Niobium Diboride Nanoparticles
by Andrés F. Calle-Hoyos, Norman A. Burgos-León, Luisa I. Feliciano-Cruz, David Florián-Algarín, Christian Vázquez Rivera, Jorge D. De Jesús-Silva and Oscar Marcelo Suárez
J. Compos. Sci. 2024, 8(6), 210; https://doi.org/10.3390/jcs8060210 - 4 Jun 2024
Viewed by 990
Abstract
New and innovative technologies have expanded the quality and applications of aluminum welding in the maritime, aerospace, and automotive industries. One such technology is the addition of nanoparticles to aluminum matrices, resulting in improved strength, operating temperature, and stiffness. Furthermore, researchers continue to [...] Read more.
New and innovative technologies have expanded the quality and applications of aluminum welding in the maritime, aerospace, and automotive industries. One such technology is the addition of nanoparticles to aluminum matrices, resulting in improved strength, operating temperature, and stiffness. Furthermore, researchers continue to assess pertinent factors that improve the microstructure and mechanical characteristics of aluminum welding by enabling the optimization of the manufacturing process. Hence, this research explores alternatives, namely cost-effective aluminum welding fillers reinforced with niobium diboride nanoparticles. The goal has been to improve weld quality by employing multi-objective optimization, attained through a central composite design with a response surface model. The model considered three factors: the amount (weight percent) of nanoparticles, melt stirring speed, and melt stirring time. Filler hardness and porosity percentage served as response variables. The optimal parameters for manufacturing this novel filler for the processing conditions studied are 2% nanoparticles present in a melt stirred at 750 rpm for 35.2 s. The resulting filler possessed a 687.4 MPA Brinell hardness and low porosity, i.e., 3.9%. Overall, the results prove that the proposed experimental design successfully identified the optimal processing factors for manufacturing novel nanoparticle-reinforced fillers with improved mechanical properties for potential innovative applications across diverse industries. Full article
(This article belongs to the Special Issue Particulate Aluminum Matrix Composites: From Fundamentals to Applications, Volume II)
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16 pages, 16723 KiB  
Article
Aluminum Nanocomposites Reinforced with Al2O3 Nanoparticles: Synthesis, Structure, and Properties
by Francisca Rocha and Sónia Simões
J. Compos. Sci. 2024, 8(1), 33; https://doi.org/10.3390/jcs8010033 - 17 Jan 2024
Cited by 3 | Viewed by 2174
Abstract
This work comprehensively investigates the production and characterization of an innovative nanocomposite material and an aluminum matrix reinforced with Al2O3 nanoparticles. The powder metallurgy route was used to produce the nanocomposite, and subsequent microstructural and mechanical characterizations were conducted to [...] Read more.
This work comprehensively investigates the production and characterization of an innovative nanocomposite material and an aluminum matrix reinforced with Al2O3 nanoparticles. The powder metallurgy route was used to produce the nanocomposite, and subsequent microstructural and mechanical characterizations were conducted to evaluate its performance. The nanoparticles and metal powders were dispersed and mixed using ultrasonication, followed by cold pressing and sintering. The results indicated that dispersion using isopropanol made it possible to obtain nanocomposites efficiently through powder metallurgy with a high density and an 88% increase in hardness compared to the Al matrix. The process led to the production of nanocomposites with high densification if the volume fraction of the reinforcement did not exceed 1.0 wt.% of Al2O3. The volume fraction of the reinforcement plays an essential role in the microstructure and mechanical properties of the composite because as it increases to values above 1.0 wt.%, it becomes more difficult to disperse through ultrasonication, which results in less promising results. The addition of Al2O3 significantly affects the Al matrix’s microstructure, which influences the mechanical properties. However, this new approach is proving effective in producing Al matrix nanocomposites with high mechanical properties. Full article
(This article belongs to the Special Issue Particulate Aluminum Matrix Composites: From Fundamentals to Applications, Volume II)
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13 pages, 9441 KiB  
Article
Tensile Properties of Aluminum Matrix Composites Produced via a Nitrogen-Induced Self-Forming Process
by Kon-Bae Lee, Kanhu C. Nayak, Cheol-Hwee Shim, Hye-In Lee, Se-Hoon Kim, Hyun-Joo Choi and Jae-Pyoung Ahn
J. Compos. Sci. 2023, 7(11), 457; https://doi.org/10.3390/jcs7110457 - 2 Nov 2023
Cited by 3 | Viewed by 1774
Abstract
This study compares the tensile properties of commercial aluminum matrix composites (AMCs) with those of AMCs produced via a nitrogen-induced self-forming process. This process is a newly developed AMCs manufacturing process that takes advantage of the price competitiveness and productivity of large-scale products [...] Read more.
This study compares the tensile properties of commercial aluminum matrix composites (AMCs) with those of AMCs produced via a nitrogen-induced self-forming process. This process is a newly developed AMCs manufacturing process that takes advantage of the price competitiveness and productivity of large-scale products produced via the liquid process. Additionally, this process has the freedom of choice of the reinforcement phase and the homogeneous dispersibility of the powder process. Compared to commercial monolithic 6061 alloys, 6061 aluminum alloy matrix composites exhibit increased Young’s modulus, yield strength, and ultimate tensile strength by 59%, 66%, and 81%, respectively. This study also compares the tensile properties of AMCs with different matrix compositions, including 2009 and 7050 aluminum alloys. The study shows that AMCs produced using the nitride-induced self-forming aluminum composite (NISFAC) process exhibit comparable or superior tensile properties to those obtained using existing commercial powder metallurgy (P/M) processes. Full article
(This article belongs to the Special Issue Particulate Aluminum Matrix Composites: From Fundamentals to Applications, Volume II)
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13 pages, 1885 KiB  
Article
Electrochemical Studies of the Corrosion Behavior of Al/SiC/PKSA Hybrid Composites in 3.5% NaCl Solution
by Peter Ikubanni, Makanjuola Oki, Adekunle Adeleke, Olanrewaju Adesina, Peter Omoniyi and Esther Akinlabi
J. Compos. Sci. 2022, 6(10), 286; https://doi.org/10.3390/jcs6100286 - 29 Sep 2022
Cited by 19 | Viewed by 2313
Abstract
The corrosion behavior of metal matrix composites (MMCs) is accelerated by the inclusion of reinforcements. Hence, this study investigates the corrosion behavior of MMCs produced from Al 6063 matrix alloy with reinforcement particulates of silicon carbide (SiC) and palm kernel shell ash (PKSA) [...] Read more.
The corrosion behavior of metal matrix composites (MMCs) is accelerated by the inclusion of reinforcements. Hence, this study investigates the corrosion behavior of MMCs produced from Al 6063 matrix alloy with reinforcement particulates of silicon carbide (SiC) and palm kernel shell ash (PKSA) inclusion at different mix ratios. The MMCs were synthesized using the double stir casting technique. The corrosion behaviors of the composites in NaCl solutions were studied via gravimetric analysis and electrochemical measurements. The gravimetric analysis showed fluctuating dissolution rate of the samples in NaCl solution to indicate flawed film as well as corrosion product formation over the surface of the specimens. The observed corrosion mechanism of the samples was general and pitting corrosion. The presence of reinforcements within the Al6063 matrix acted as active sites for corrosion initiation. The range of values for Ecorr and Icorr obtained in 3.5% NaCl at 24 h was between −220.62 and −899.46 mV and between 5.45 and 40.87 µA/cm2, respectively, while at 72 h, the Ecorr values ranged from 255.88 to −887.28 mV, and the Icorr ranged from 7.19 to 16.85 µA/cm2. The Nyquist and Bode plots revealed the electrochemical corrosion behavior of the samples under investigation, with predominant reactions on the surface of the samples linked to charge transfer processes. The relative resistance to corrosion of the samples depends on the thin oxide film formed on the surface of the samples. Full article
(This article belongs to the Special Issue Particulate Aluminum Matrix Composites: From Fundamentals to Applications, Volume II)
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9 pages, 4082 KiB  
Article
Nano-Treating Promoted Natural Aging Al-Zn-Mg-Cu Alloys
by Jie Yuan, Qian Liu, Shuaihang Pan, Mingjie Xu, Narayanan Murali, Jiaxing Li, Shuai Wang and Xiaochun Li
J. Compos. Sci. 2022, 6(4), 114; https://doi.org/10.3390/jcs6040114 - 11 Apr 2022
Cited by 5 | Viewed by 2318
Abstract
Natural aging reduces the cost of alloy manufacturing while saving input energy but takes too long to complete for most Al-Zn-Mg-Cu alloys. Research has proved that nano-treating can facilitate precipitation in heat-treatable alloys. In this study, nano-treated Al-6.0Zn-2.6Mg-xCu samples containing different Cu contents [...] Read more.
Natural aging reduces the cost of alloy manufacturing while saving input energy but takes too long to complete for most Al-Zn-Mg-Cu alloys. Research has proved that nano-treating can facilitate precipitation in heat-treatable alloys. In this study, nano-treated Al-6.0Zn-2.6Mg-xCu samples containing different Cu contents were fabricated to investigate the influence of nano-treating on natural aging. TiC nanoparticles were used for nano-treating. Three cooling conditions after solution treatment (water quenching, air cooling, and as-cast) were investigated to check their quench sensitivities. The study shows the alloy’s microstructure was modified by nano-treating, and the growth of dendritic arms was inhibited. Compared to the control samples, nano-treating also increased both the microhardness and tensile strength of the alloy after natural aging. Out of the three different solution treatments, the air-cooled samples presented the highest UTS and microhardness values. The precipitation process was sped up by nano-treating by approximately 50%, and a higher volume fraction of GPII zones were formed in the nano-treated samples. HRTEM results also confirm the formation of more GPI and GPII zones in a nano-treated samples. With the help of natural aging, the Al-6.0Zn-2.6Mg-0.5Cu alloy reached a UTS of 455.7 ± 40.2 MPa and elongation of 4.52 ± 1.34% which makes it a great candidate for a naturally aged Al-Zn-Mg-Cu alloy. Full article
(This article belongs to the Special Issue Particulate Aluminum Matrix Composites: From Fundamentals to Applications, Volume II)
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Review

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27 pages, 5201 KiB  
Review
A Review on Abrasive Wear of Aluminum Composites: Mechanisms and Influencing Factors
by Nima Valizade and Zoheir Farhat
J. Compos. Sci. 2024, 8(4), 149; https://doi.org/10.3390/jcs8040149 - 15 Apr 2024
Cited by 2 | Viewed by 1939
Abstract
Aluminum matrix composites (AMCs) find extensive use across diverse industries such as automotive, aerospace, marine, and electronics, owing to their remarkable strength-to-weight ratio, corrosion resistance, and mechanical properties. However, their limited wear resistance poses a challenge for applications requiring high tribological performance. Abrasive [...] Read more.
Aluminum matrix composites (AMCs) find extensive use across diverse industries such as automotive, aerospace, marine, and electronics, owing to their remarkable strength-to-weight ratio, corrosion resistance, and mechanical properties. However, their limited wear resistance poses a challenge for applications requiring high tribological performance. Abrasive wear emerges as the predominant form of wear encountered by AMCs in various industrial settings, prompting significant research efforts aimed at enhancing their wear resistance. Over the past decades, extensive research has investigated the influence of various reinforcements on the abrasive wear behavior of AMCs. This paper presents a comprehensive review of the impact of different variables on the wear and tribological response of aluminum composites. This review explores possible wear mechanisms across various tribosystems, providing examples drawn from the analysis of existing literature. Through detailed discussions on the effects of each variable, conclusions are drawn to offer insights into optimizing the wear performance of AMCs. Full article
(This article belongs to the Special Issue Particulate Aluminum Matrix Composites: From Fundamentals to Applications, Volume II)
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